Gr 9 NATURAL SCIENCES: CH 2.4 The reaction of carbon with oxygen

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Questions and Answers

What is the byproduct of the combustion reaction of carbon and oxygen?

  • Carbon dioxide (correct)
  • Carbon monoxide
  • Heat only
  • Oxygen molecules

What is the primary use of coal in power stations?

  • To produce light
  • To generate electricity (correct)
  • To generate heat
  • To produce carbon dioxide

What is the term for the reaction of carbon with oxygen?

  • Oxidation
  • Decomposition
  • Synthesis
  • Combustion (correct)

What is the visual representation of carbon reacting with oxygen in the air?

<p>An image of coal burning in a fire (C)</p> Signup and view all the answers

What is the result of the submicroscopic representation of the reaction?

<p>Carbon atoms reacting with oxygen molecules (A)</p> Signup and view all the answers

What is the product of the combustion reaction of carbon?

<p>Carbon Dioxide (A)</p> Signup and view all the answers

What is the primary reactant in the combustion reaction of carbon?

<p>Carbon (A)</p> Signup and view all the answers

What is a major source of energy for electricity generation?

<p>Combustion of Carbon (Coal) (A)</p> Signup and view all the answers

What is released during the combustion reaction of carbon?

<p>Energy and Carbon Dioxide (A)</p> Signup and view all the answers

What is a significant implication of the combustion of carbon?

<p>Climate Change (B)</p> Signup and view all the answers

What is the primary role of carbon combustion in power stations?

<p>To generate electricity (D)</p> Signup and view all the answers

Why is it important to understand the combustion reaction of carbon?

<p>To appreciate the benefits and environmental impact of the reaction (B)</p> Signup and view all the answers

What is the reactant that undergoes a combustion reaction in the presence of oxygen?

<p>Carbon (D)</p> Signup and view all the answers

What is the outcome of the combustion reaction of carbon in terms of energy?

<p>Energy is released (B)</p> Signup and view all the answers

What is the implication of the combustion of carbon on the environment?

<p>It releases a greenhouse gas, contributing to climate change (D)</p> Signup and view all the answers

What is the term that describes the compound formed when a non-metal reacts with oxygen?

<p>Non-metal oxide (C)</p> Signup and view all the answers

What is the purpose of coal-powered power stations?

<p>To generate electricity (C)</p> Signup and view all the answers

What is the physical state of the reactants in the combustion reaction of carbon?

<p>Solid and gas (B)</p> Signup and view all the answers

What is the driving force behind the combustion reaction of carbon?

<p>The release of heat and light (D)</p> Signup and view all the answers

What is the molecular representation of the product of the combustion reaction of carbon?

<p>CO2 (A)</p> Signup and view all the answers

What is the primary difference between the combustion reaction of carbon and other combustion reactions?

<p>The formation of a non-metal oxide (D)</p> Signup and view all the answers

What is the underlying principle behind the use of coal as a fuel source?

<p>The high energy density of coal (A)</p> Signup and view all the answers

What is the role of oxygen in the combustion reaction of carbon?

<p>To form carbon dioxide (A)</p> Signup and view all the answers

What is the significance of the submicroscopic representation of the reaction?

<p>It illustrates the molecular structure of carbon dioxide (C)</p> Signup and view all the answers

What is the common characteristic of the combustion reaction of carbon and other combustion reactions?

<p>The release of energy (C)</p> Signup and view all the answers

What is the primary significance of the combustion reaction of carbon in the context of power generation?

<p>It is a major source of energy for electricity generation. (B)</p> Signup and view all the answers

What is the underlying principle behind the combustion reaction of carbon in the presence of oxygen?

<p>The principle of exothermic reactions. (B)</p> Signup and view all the answers

What is the environmental implication of the combustion reaction of carbon in terms of climate change?

<p>It releases carbon dioxide, a greenhouse gas. (D)</p> Signup and view all the answers

What is the role of oxygen in the combustion reaction of carbon?

<p>It reacts with carbon to produce carbon dioxide. (D)</p> Signup and view all the answers

What is the significance of understanding the combustion reaction of carbon in the context of power generation and climate change?

<p>It helps us appreciate the environmental impact of carbon combustion. (D)</p> Signup and view all the answers

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